Hi,Im new here so bear with me.I have a 1981 chevy 1 ton crew cab.It has the single rear wheel and want to convert over to dual rear.I realize I need the fenders and longer wheel studs and rims.I shtere anything else?The truck is a true 1 ton so im thinking it should be a staight forward swap.Any help will be appreciated.I have big plans for this truck!Thanks,Dan